Financial Instruments (Tables)

3 Months Ended

12 Months Ended

Jul. 02, 2011

Apr. 02, 2011

Financial Instruments

Available-For-Sale Securities

	July 2, 2011									April 2, 2011
(In thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Money market funds	$	326,640	$	0	$	0		$	326,640	$	275,596	$	0	$	0		$	275,596
Bank certificates of deposit		104,971		0		0			104,971		89,984		0		0			89,984
Commercial paper		683,699		2		(1	)		683,700		710,210		2		(1	)		710,211
Corporate bonds		182,550		1,145		(38	)		183,657		25,501		69		(4	)		25,566
Auction rate securities		33,850		0		(2,642	)		31,208		38,250		0		(3,300	)		34,950
Municipal bonds		22,199		480		(66	)		22,613		16,818		192		(52	)		16,958
U.S. government and agency securities		133,024		184		(67	)		133,141		206,052		38		(207	)		205,883
Foreign government and agency securities		584,136		77		(11	)		584,202		546,407		7		(16	)		546,398
Floating rate notes		0		0		0			0		91,927		204		(1	)		92,130
Mortgage-backed securities		672,951		11,270		(1,354	)		682,867		598,046		8,984		(1,363	)		605,667
	$	2,744,020	$	13,158	$	(4,179	)	$	2,752,999	$	2,598,791	$	9,496	$	(4,944	)	$	2,603,343

Fair Values And Gross Unrealized Losses Of The Investments

	July 2, 2011
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Commercial paper	$	29,989	$	(1	)	$	0	$	0		$	29,989	$	(1	)
Corporate bonds		32,357		(38	)		0		0			32,357		(38	)
Auction rate securities		0		0			31,208		(2,642	)		31,208		(2,642	)
Municipal bonds		4,657		(60	)		485		(6	)		5,142		(66	)
U.S. government and agency securities		77,698		(67	)		0		0			77,698		(67	)
Foreign government and agency securities		30,324		(11	)		0		0			30,324		(11	)
Mortgage-backed securities		174,757		(1,203	)		2,713		(151	)		177,470		(1,354	)
	$	349,782	$	(1,380	)	$	34,406	$	(2,799	)	$	384,188	$	(4,179	)

	April 2, 2011
	Less Than 12 Months					12 Months or Greater					Total
(In thousands)	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Commercial paper	$	44,982	$	(1	)	$	0	$	0		$	44,982	$	(1	)
Corporate bonds		6,129		(4	)		0		0			6,129		(4	)
Auction rate securities		0		0			34,950		(3,300	)		34,950		(3,300	)
Municipal bonds		4,992		(42	)		936		(10	)		5,928		(52	)
U.S. government and agency securities		108,464		(207	)		0		0			108,464		(207	)
Foreign government and agency securities		67,061		(16	)		0		0			67,061		(16	)
Floating rate notes		25,020		(1	)		0		0			25,020		(1	)
Mortgage-backed securities		178,844		(1,356	)		1,094		(7	)		179,938		(1,363	)
	$	435,492	$	(1,627	)	$	36,980	$	(3,317	)	$	472,472	$	(4,944	)

Amortized Cost And Estimated Fair Value Of Marketable Debt Securities

(In thousands)	Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,526,677	$	1,526,789
Due after one year through five years		172,816		174,293
Due after five years through ten years		237,061		240,519
Due after ten years		480,826		484,758
	$	2,417,380	$	2,426,359

Information On Sale Of Available-For-Sale Securities

	Three Months Ended
	July 2,			July 3,
(In thousands)	2011			2010
Proceeds from sale of available-for-sale securities	$	30,377		$	25,402
Gross realized gains on sale of available-for-sale securities	$	339		$	571
Gross realized losses on sale of available-for-sale securities		(5	)		(23	)
Net realized gains on sale of available-for-sale securities	$	334		$	548
Amortization of premiums on available-for-sale securities	$	2,313		$	1,541